Select Page: 1 2 3 4 5 6 7 8 9 10 11 Next
Control.com topic...
PLCs
Topic: Communications systems and equipment.
from the Confused Engineers department...
Allen-Bradley Ethernet to Fanuc CNC
Posted by David on 20 October, 2014 - 11:26 am
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
Topic: PLCs and related questions.
from the Automation List department...
Connecting an Analog I/O Module to a Delta PLC
Originally posted by CauÍ on 15 October, 2014 - 4:10 pm
Having problems connecting an analog I/O module to my Delta PLC
New Replies:
> Should be the +I and Comm.... Please verify the voltage across this. > it should be 24V....
Should be the +I and Comm.... Please verify the voltage across this. it should be 24V. If yes...
The asterisk *2 on the DVP06XA-S wiring diagram means 'note 2', which says,"If input signal is...
The feedback from the transducer is current, 4-20mA in 24Vdc but in sink type. I already tested it...
The SMC ITV 2050-043BL4 is an I/P transducer. The digit '4' in the part number is for the...
So Let me get this straight. You have tested the valve with a 24 V signal varying the current...
Topic: Communications systems and equipment.
from the Forum department...
SLC500 Communications with Unitronics PLC
Originally posted by Rodger on 17 October, 2014 - 1:38 am
Setting up communications between a Unitronics PLC and SLC 500 PLC
New Replies:
If there exist an option for interface between SLC500 and the new PLC with an Ethernet, it would be...
Topic: PLCs and related questions.
from the no communications plc department...
No Communication with GE Fanuc 90-30
Originally posted by angel rangel on 16 October, 2014 - 9:17 am
does anybody have ever had troubles with communications with GE PLC Fanuc 90-30?
New Replies:
Verify that you have the correct cable, if the cable has an RS-485 to RS-232 adapter built into the...
Topic: Motion control, servos, steppers, etc.
from the struggling here... department...
Rotary Die Cutter Help
Posted by Jeremy Ross on 16 October, 2014 - 2:25 pm
Looking for help on an application.
Topic: PLCs and related questions.
from the little guidance please... department...
PLC Data Access Using OPC
Originally posted by Rodney Cox on 14 October, 2014 - 3:44 am
I need help finding resources to help me develop OPC data access to record data to my database. I'm an information systems student new to PLCs and cannot find the necessary resources.
New Replies:
We run the OSS project http://pvbrowser.org it includes an OPC XML-DA client based on libcsoap,...
If you don't intend to join the OPC Foundation to obtain the spec, you are likely looking at...
Most manufacturers of OPC Servers provide full functioning demos of their products. You can get...
Hello, Writing a client or server without the specification will be ... a challenge. ...
Topic: Human-Machine Interface and SCADA.
from the Engineering department...
HMI Communication with SIEMENS PLC
Originally posted by Ali Shakarami on 2 October, 2014 - 10:23 pm
Sending the signal value from GE HMI(CIMPLICITY) to other controler over MODBUS RTU
New Replies:
By Patrick Lansdorf on 16 October, 2014 - 2:39 am -
Hi, You will need to check what type of Siemens PLC it is. If it is S7-1200 or S7-1500, you...
Siemens developed Profibus and Profinet, but they are not patented. Actually GE (which is the...
The answer is yes. You can transfer signals over the modbus with your HMI. The problem is that...
Topic: PLCs and related questions.
from the Forum department...
MSTR TCP/IP Control Word Definitions
Originally posted by Jon Pope on 16 April, 2009 - 4:20 pm
clear definition on some of the control words used in setting up the MSTR function with TCP/IP
New Replies:
Hi I came across this post tryign to find answer to an issue using the same configuration u...
Topic: PLCs and related questions.
from the twido suite department...
PLC timed sequence
Originally posted by JustinDee on 1 October, 2014 - 7:49 am
is it possible to stop all TON TOFF timers?
New Replies:
Bin95, Such a scenario can occur when PLC has redundancy. Have faced similar scenario with...
>... start button is pressed the 5 timers start there off/on delays. > But if I put a...
You can use the emergency stop signal as a DI. Use it to move values (Zero in your case) to the...
Topic: PLCs and related questions.
from the Database Integration IT department...
S7 Communication with Libnodave Lib
Originally posted by Krishna on 14 October, 2014 - 9:30 am
Looking for a way to Access data from PLC - CPU S7 300 series DB to Our own VB.Net Application through libnodave Lib.
New Replies:
You need to be mapping signals from the s7 300 (Siemens) PLC to your software by using an OPC...
Topic: PLCs and related questions.
from the Forum department...
Contactless Card Reader and PLC
Originally posted by Amer on 26 September, 2014 - 3:30 am
How to connect contactless card reader to PLC?
New Replies:
Please describe, why are you trying to connect a card reader to a PLC....
Topic: Power generation equipment control.
from the DCS control department...
DCS Control of Power Plants
Originally posted by George on 8 October, 2014 - 10:24 pm
Scope of DCS programming in a Power Plant
New Replies:
ha ha...Well Said CSA, What i expressed was an engineers headache (you might be too familiar...
George, I think many of us would take exception at some of your statements about testing before...
It's always been a bit of wishful thinking on the part of the marketing guys ... When I started...
Sorry about the typos (was sleepy).. :)...
> The original definition was "Distributed Control System! Chill,...
Roy, Yes its kind of funny that it calls itself distributed. Well, as you may know already,...
The original definition was "Distributed Control System! Phil...
Roy, > How come they always like to centralize it? This one's easy--DCS stands for: ...
> One more reason to keep the subsystem control with the subsystem supplier: > This also...
Thank you CSA for your view, I'm sure that it may take some time as well as expertise to achieve...
One more reason to keep the subsystem control with the subsystem supplier: This also lets the...
George, I don't understand what you're trying to describe at all; sorry. One company might be in...
Originally posted by igor on 24 March, 2012 - 3:52 pm
differential pressure transmitter (orifice plate) measuring flow with the square root function enabled
New Replies:
I like what David Todd said about calibrating the transmitter in linear mode (techs are very...
Topic: Computers in manufacturing; also hardware discussion.
from the Forum department...
PLC Monitoring & Control over internet
Originally posted by M. Bhamani on 3 June, 2009 - 9:46 am
Configuration - internet browser PLC access
New Replies:
Most o all modern age PLC uses Ethernet based modbus communication. it is possible to transfer this...
Hello I'm studying Industrial Networking course now and would love to know how would it be...
Topic: Application Questions and Problems
from the Right way to do this? department...
Pump Running Indication on Control Circuit
Originally posted by Stumped on 10 October, 2014 - 4:19 pm
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
New Replies:
It was a solenoid valve indication with the open/closed indication being only coil voltage while...
Roy, Wasn't something like this involved in the 3-Mile Island catastrophe? Phil....
Feed the contactor coil from downstream of the circuit breaker just like they have been doing for...
This can be achieved in multiple ways. I guess you are already reading the Ampere load to the...
A pressure switch could be used in series with the aux contact to indicate the pump is producing...
Topic: Human-Machine Interface and SCADA.
from the automation department...
Fast Alarms Between PLC and HMI
Originally posted by EG on 3 October, 2014 - 3:19 am
How can we make an hmi operator panel detect fast alarms?
New Replies:
This is an easy One. You can latch the alarm signal at the PLC ladder logic and add another DI...
Select Page: 1 2 3 4 5 6 7 8 9 10 11 Next
 
 

Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2014 Nerds in Control, LLC. All rights reserved.

Users of this site are benefiting from open source technologies, including PHP, MySQL and Apache. Be happy.


Fortune
If only I could be respected without having to be respectable.
Advertise here
Advertisement
our advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive